Bank one and two O2 sensors give me very different readings. The average for B1 is about .74 and for B2 .93. Before I richened it up with MAFT it was .64 for B1 and .82 for B2. Any ideas? I am not getting any codes for the sensors and they seem to be flucuating as should be.

 

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by FlamnTA:
<strong>Bank one and two O2 sensors give me very different readings. The average for B1 is about .74 and for B2 .93. Before I richened it up with MAFT it was .64 for B1 and .82 for B2. Any ideas? I am not getting any codes for the sensors and they seem to be flucuating as should be.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I think you have an air leak in the exhaust header (or flange) on bank 2.

 

I have the same problem one senser reads diffrent from the other. I havent had time to check into it but i was thinking a lazy o2 senser. it work but not right. I wonder if you should change them in pairs because i burnt one out and i put in a used one it works but not the same readings from left to right

 

I have the same problem. It happened after header install. My one is .6x and the other is .9x. I think the side with the lower # has a leak before the O2.

 

if you dont want to put any money into trying a sensor just yet than swap them and see if the problem goes to the other side.